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The AAPG/Datapages Combined Publications Database
Showing 4,616 Results. Searched 200,621 documents.
Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios
Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos
International Meeting for Applied Geoscience and Energy (IMAGE)
... scenarios in challenging areas. In this workflow, a low-frequency impedance derived from migration velocity is combined with a medium- to high...
2022
Incorporating Secondary Information Using Direct Sequential Cosimulation
A. Soares, J. A. Almeida, L. Guerreiro
AAPG Special Volumes
... cosimulation was performed with a map of inverse acoustic impedance, as the secondary variable, known at every node of the grid. The primary variable...
2006
A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil
Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which can speed-up convergence, aid in the recovery of physically meaningful properties such as impedance, and overall reduce the cost of application...
2022
Reservoir Quality and Porosity Prediction in Carbonate Using Seismic Inversion and Attributes Case Study: Singa Field, South Sumatra Basin
Y. Yanto, T. Iswachyono, M. Arief MMZ., J. J. Wood
Indonesian Petroleum Association
... an updated geological model for reservoir modelling and to optimize new well locations. * PT. Medco E&P Indonesia Cross-plotting acoustic impedance (AI...
2011
Bayesian uncertainty quantification for reservoir parameter changes estimated from time-lapse machine learning
Jinsong Chen, Chang Li, Lei Wei, Anusha Sekar, Maisha Amaru
International Meeting for Applied Geoscience and Energy (IMAGE)
...) The data used in this study are time-lapse P-impedance (∆𝐼 𝑝 ) and S-impedance (∆𝐼 𝑠 ). Since both P- and S-impedance often are estimated from time-lapse...
2024
Using recursive inversion as input for gross-rock volume extraction from lithology prediction volumes: How bad can it be?
James Shadlow
Petroleum Exploration Society of Australia (PESA)
... impedance, lithology prediction The Carnarvon Basin, North West Australia, is a world class oil and gas province, where most of the gas reserves...
2019
New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia
Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra
Indonesian Petroleum Association
... they had very similar thicknesses. To resolve the thickness ambiguity between the 33-4 and 33-6 sands and map them a relative impedance inversion...
2018
New Insight in Samboja Field Development Strategy: The Integration of Stratigraphic Analysis, EEI Inversion and Passive Seismic Data
Benny Nugroho Ardhiansyah, Ayu Trisnasih, Erlangga Septama
Indonesian Petroleum Association
... several methods such as Extended Elastic Impedance (EEI) Inversion and passive seismic were applied. EEI was applied to infer Vp/Vs volume from 3D seismic...
2018
Predicting Facies, Rock, and Geomechanical Properties Using Convolutional Neural Networks: A Case Study From an Unconventional Shale Reservoir
Ted Holden, Ruth Kurian, Mohammed Ibrahim, Daniel Hampson, Jonathan Downton
Unconventional Resources Technology Conference (URTEC)
... and associated seismic gathers. The resulting synthetic data are used to train the CNN algorithm. Density, P-wave and S-wave impedance are estimated...
2023
Fractures Identification and Reservoir Characterization of Gas Carbonate Reservoir at Merbau Field, South Palembang Basin, Sumatra, Indonesia*
Ricky A. Wibowo, Wisnu Hindadari, Syamsu Alam, Parada D. Silitonga, and Rusalida Raguwanti
Search and Discovery.com
... with Acoustic Impedance section which proved that inversion modeling can be a powerful tool to refine the horizon interpretation Page: 10 Notes...
Unknown
Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary
Bruce Hart
PTTC
... have concentrated on P waves. The introduction defined and illustrated a number of seismic terms including: acoustic impedance, velocity, density...
2003
Time Lapse Seismic for Reservoir Characterization
Rick Walia
Indonesian Petroleum Association
... the coast of We used a 3D stratigraphic elastic inversion (StrataVistaTM) on near, mid and far offset cubes. Estimates of elastic impedance (Connolly...
2005
EEI Inversion Technique to Determine Fluid Types and Sand Geometry in Mature Field Study Case: G Sand Reservoir in the Northern Mutiara
Benyamin, Iranta Bona, Irma Hermawaty, Sonny Winardhi, Teguh Nugraha
Indonesian Petroleum Association
... in the subsurface. An integrated workflow that draws on the latest development in pre-stack seismic inversion, incorporating Extended Elastic Impedance (EEI...
2007
Direct probabilistic inversion for facies with different elastic depth trends
Ask Jakobsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... properties like acoustic impedance, Vp/Vs and density with depth. If all facies change elastic properties at approximately the same slow rate with depth...
2022
Bathymetric and environmental deductions from GPR mapping of MTU Lake
Elijah Ayolabi, Rotimi Akinwale
International Meeting for Applied Geoscience and Energy (IMAGE)
... mapped as high impedance reflection hyperbolas which were later recovered from the water body. Possible wooden or concrete debris was characterized...
2022
Seismic Foldout: Northern Viking Graben Chasing the Upper Jurassic Play
Jaswinder Mann-Kalil, Anna Rumyantseva, Idar Kjørlaug, CGG
GEO ExPro Magazine
... deposits. (a) Seismic line overlain with P-impedance (b) Seismic line overlain with the probability of sand. interpreted on a regional scale using new DAZ...
2023
Self-Healing Cement as Long-Term Well Integrity for Gas Well
Bayu Buana Natanagara, Shakirah Saidin, Mahdi Sheikh Veisi, Mathieu Pasteris, Agung Rudiantoro
Indonesian Petroleum Association
... and the actual execution Figure 4. Prior to performing CBL to evaluate the cement sheat, the acoustic impedance for both SHC and Tail conventional system...
2014
The Jason Geoscience Workbench: "Teamware" for Finding Oil & Gas - The Smart Way
Paul D. Vrolijk
Petroleum Exploration Society of Australia (PESA)
..., and for vertical time/depth conversion of seismic and model data. The second main application of VeiMod is in creating low f requency acoustic impedance models...
1997
Extended Abstract: Integrating Time-Lapse 3D (4D) Seismic Data with Reservoir Simulators
John Waggoner
Petroleum Exploration Society of Australia (PESA)
... into the aquifer has helped to maintain pressure, but both pressure and saturation changes are expected to change the acoustic impedance in the reservoir by up...
2000
Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma
Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale
Unconventional Resources Technology Conference (URTEC)
... windows and merged to generate high resolution P- and S-Impedance attributes from surface down to the target interval after careful AVO compliant...
2019
Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir
Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte
GCAGS Transactions
... by high acoustic impedance generally encased within lower impedance shales, these sands were deposited in a shallow to moderate depth continental seaway...
2002
Active Margin: Miocene Carbonate Shelf Margin, Bali-Flores Sea, Indonesia
W. W. Tyrrell and R. G. Davis
AAPG Special Volumes
... for stratigraphic interpretation. Most of the seismic facies shown are due to velocity-density (acoustic impedance) contrasts resulting from deposition...
1987
Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf
Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall
Journal of Sedimentary Research (SEPM)
... by a 10-20 cm sampling in erval of the vibracores. The estimate of the percentage error inherent in this technique, 12% for acoustic impedance and 24...
1996
Abstract: Machine Learning Predicted S-Sonic Log and Facies Driven Modelling: A Seismic Reservoir Characterization Approach; #91204 (2023)
Shraddha Chatterjee, Santan Kumar, Felipe Melo, Veronica Perez, ChungShen Lee
Search and Discovery.com
...-Impedance, shear-Impedance and Vp/Vs ratio. These seismic driven properties are useful to estimate key engineering properties like lithofacies, etc. A pre...
2023
Reservoir Characterization of Bassein Formation in Mukta Field, Western Offshore Basin, India; #50740 (2012)
Vinay Jain, Mohit Khanna, Iti Agrawal, Rajeev Lakhera, Anurag Grover, and Ajay Kumar
Search and Discovery.com
... impedance derived from seismic inversion studies has been used as a secondary variable to condition the properties (PHIT) and has been co-simulated...
2012